Deflection System Adjustment In Pc Mode; Raster Center Adjustment - Hitachi 36SDX88B Service Manual

3.1.1 Deflection System Adjustment in PC Mode.
Adj. point R741
3.1 .I .I Horizontal Raster Center Adjustment
Preparation for adjustment Adjustment procedure
Notes
(1) Receive Cross-Hatch and
(I ) Turn screen VR so that the raster The position of screen VR
Circle Pattern with Black
appears slightly.
background of VGA3 in
(2) Factory adjustment data
group 1.
Set DE, Horizontal Size, to 20 with
0
Set Contrast and Bright to
user data center
0
the maximum so that
raster is visible.
Do this item at the
beginning of final
adjustment.
(3) Turn the R741 VR so that size of Ll
and t2 at left and right in diagram
below are equal.
(4) Set process 1 and 2 to the previous
condition.
F
Focus
F2
0
0
THOI
Screen
VR
Unit :mm
Model IL1 -L2l
36SDX88B 3.0
67